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Error code reference

Viking Range Error Code DSI 1 Flash

Normal operation (idle and active states)

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What the DSI 1 Flash error code actually means

The 1 flash every 4 seconds on your Viking range is not an error. It simply means the ignition control board is working normally and your range is ready to use. No action is needed when you see this pattern.

Diagnostic procedure

The full DSI 1 Flash procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of DSI 1 Flash

Ranked by how often they cause this code
  1. 1Normal idle operation
  2. 2Normal active ignition state
  3. 3Technician verification of board status

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Questions people ask about DSI 1 Flash

What does DSI 1 Flash mean on a Viking range?
DSI 1 Flash indicates normal operation of the Direct Spark Ignition board on your Viking range. The onboard LED flashing once every 4 seconds is a status signal confirming the board is functioning correctly in either its idle or active state. This is not an error code and does not indicate any fault with the appliance.
Is it safe to use my Viking range when the DSI board is showing 1 flash?
Yes, it is completely safe to use your range when the DSI board displays the 1-flash pattern. This indication means the ignition control system is in normal operating condition. If any other flash pattern appears, stop using the range and investigate the specific fault code.
Will resetting the Viking range clear the DSI 1 Flash indication?
The DSI 1 Flash pattern is a normal status signal and not a fault code, so there is nothing to clear. Resetting the range by cutting power will not change this behavior, as the 1-flash pattern will resume once power is restored and the board initializes. A reset is only relevant when an actual fault code with a different flash count is present.
Do I need to fix anything when I see the DSI 1 Flash pattern on my Viking range?
No repair or adjustment is needed when the DSI board LED shows a 1-flash-per-4-second pattern. This pattern confirms the ignition control system is operating as designed. If you are seeing a different flash count, that would indicate a fault requiring further diagnosis.
How much does it cost to repair a Viking range DSI board issue?
Because the 1-flash pattern represents normal operation and not a fault, there is no repair cost associated with this specific indication. If a different DSI fault code is present and a board replacement becomes necessary, DSI board replacement costs on Viking ranges typically range from $150 to $400 or more depending on the specific model and labor rates in your area.

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